Home / 120,262.32-165,852.36-103,261.23

Finding the Fourth Proportional to 120,262.32, 165,852.36 and 103,261.23

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Solution

The fourth proportional to 120,262.32, 165,852.36 and 103,261.23 is: 142,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.32 : 165,852.36 = 103,261.23 : x
  2. Step 2: Convert to fraction form
    120,262.32/165,852.36 = 103,261.23/x
  3. Step 3: Cross multiply
    120,262.32x = 165,852.36 × 103,261.23
  4. Step 4: Simplify right side
    120,262.32x = 17,126,118,692.00
  5. Step 5: Solve for x
    x = 17,126,118,692.00/120,262.32
  6. Step 6: Final answer
    x = 142,406.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.